64889-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64889-09-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,8 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 64889-09:
(7*6)+(6*4)+(5*8)+(4*8)+(3*9)+(2*0)+(1*9)=174
174 % 10 = 4
So 64889-09-4 is a valid CAS Registry Number.
64889-09-4Relevant academic research and scientific papers
SUR LA CYCLOADDITION ENTRE ALLENES ET BROMOMETHYLCETENE
Bertrand, M.,Gil, G.,Junino, A.,Maurin, R.
, p. 2759 - 2764 (2007/10/02)
The cycloaddition of unreactive alkylallenes (8) with bromomethylcetene gives α-alkylidene α'-bromocyclobutanones (2 and 3, for example).The halogenated ketones are described.
